Home / 79,359.21-109,516.05-43,553.16

Finding the Fourth Proportional to 79,359.21, 109,516.05 and 43,553.16

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Solution

The fourth proportional to 79,359.21, 109,516.05 and 43,553.16 is: 60,103.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,359.21 : 109,516.05 = 43,553.16 : x
  2. Step 2: Convert to fraction form
    79,359.21/109,516.05 = 43,553.16/x
  3. Step 3: Cross multiply
    79,359.21x = 109,516.05 × 43,553.16
  4. Step 4: Simplify right side
    79,359.21x = 4,769,770,048.22
  5. Step 5: Solve for x
    x = 4,769,770,048.22/79,359.21
  6. Step 6: Final answer
    x = 60,103.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.